| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Katsuji•Watanabe |
| Used name | Katsuji•Watanabe |
| Original name | 渡辺•勝治 |
| Born | 11 March 1940 in ?, Fukushima (JPN) |
| Measurements | 170 cm / 63 kg |
| NOC | Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Boxing | JPN |
Katsuji Watanabe | |||
| Light-Welterweight, Men (Olympic) | =17 |